10. Scientists try to develop an explanation for what they see happening in the natural world. What
must be true of any explanation they develop?

A. It must be supported by evidence.

B. It can never be changed.

C. It must be shown to have practical value for
humans.

D. It must be based on information that other
scientists have also gathered.

it must be based on information that other scientists have also gathered

hope its ok

Explanation:

Science is a way of learning about what is in the natural world, how the natural world works, and how the natural world got to be the way it is. It is not simply a collection of facts; rather it is a path to understanding.so it should contain a logical theory but it can also never be said as the final answer.

so A) OR D) both are correct

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray